ginuerzh
4443b0b964
- Add missing httpLoader.Close() in localRouter.Close() to prevent resource leak - Log parse errors from file/redis/http loaders instead of silently discarding them - Add nil reader guards before calling parseRoutes in load() - Default nil logger to xlogger.Nop() to prevent nil panics - Use context.Background() instead of context.TODO() for root context - Use strings.ReplaceAll instead of deprecated strings.Replace with -1 - Add doc comments to all exported symbols - Add 27 unit tests + 1 benchmark
83 lines
1.6 KiB
Go
83 lines
1.6 KiB
Go
package router
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import (
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"context"
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"io"
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"github.com/go-gost/core/logger"
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"github.com/go-gost/core/router"
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"github.com/go-gost/plugin/router/proto"
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"github.com/go-gost/x/internal/plugin"
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xrouter "github.com/go-gost/x/router"
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"google.golang.org/grpc"
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)
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// grpcPlugin implements router.Router via a gRPC plugin connection.
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type grpcPlugin struct {
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conn grpc.ClientConnInterface
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client proto.RouterClient
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log logger.Logger
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}
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// NewGRPCPlugin creates an Router plugin based on gRPC.
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func NewGRPCPlugin(name string, addr string, opts ...plugin.Option) router.Router {
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var options plugin.Options
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for _, opt := range opts {
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opt(&options)
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}
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log := logger.Default().WithFields(map[string]any{
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"kind": "router",
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"router": name,
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})
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conn, err := plugin.NewGRPCConn(addr, &options)
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if err != nil {
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log.Error(err)
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}
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p := &grpcPlugin{
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conn: conn,
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log: log,
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}
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if conn != nil {
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p.client = proto.NewRouterClient(conn)
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}
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return p
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}
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// GetRoute queries the gRPC plugin for the route to the given destination.
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func (p *grpcPlugin) GetRoute(ctx context.Context, dst string, opts ...router.Option) *router.Route {
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if p.client == nil {
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return nil
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}
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var options router.Options
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for _, opt := range opts {
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opt(&options)
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}
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r, err := p.client.GetRoute(ctx,
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&proto.GetRouteRequest{
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Dst: dst,
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Id: options.ID,
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})
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if err != nil {
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p.log.Error(err)
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return nil
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}
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return xrouter.ParseRoute(r.Dst, r.Gateway)
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}
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// Close closes the underlying gRPC connection.
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func (p *grpcPlugin) Close() error {
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if p.conn == nil {
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return nil
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}
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if closer, ok := p.conn.(io.Closer); ok {
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return closer.Close()
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}
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return nil
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}
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